117255531331 has 4 divisors (see below), whose sum is σ = 117270769000. Its totient is φ = 117240293664.

The previous prime is 117255531329. The next prime is 117255531359. The reversal of 117255531331 is 133135552711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117255531331 - 2¹ = 117255531329 is a prime.

It is a super-2 number, since 2×117255531331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117255531311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7607286 + ... + 7622683.

It is an arithmetic number, because the mean of its divisors is an integer number (29317692250).

Almost surely, 2^117255531331 is an apocalyptic number.

117255531331 is a deficient number, since it is larger than the sum of its proper divisors (15237669).

117255531331 is an equidigital number, since it uses as much as digits as its factorization.

117255531331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15237668.

The product of its digits is 47250, while the sum is 37.

The spelling of 117255531331 in words is "one hundred seventeen billion, two hundred fifty-five million, five hundred thirty-one thousand, three hundred thirty-one".